Helsinki or Tallinn in July?
In July, Helsinki and Tallinn are overall neck and neck — it comes down to your priorities.
HelsinkiPhoto: Matti Mattila · CC BY 2.0
TallinnPhoto: Jorge Láscar · CC BY 2.0Key figures in July
| Criterion | Helsinki | Tallinn |
|---|---|---|
| Average daily high | 19 °C | 20 °C |
| Average daily low | 15 °C | 15 °C |
| Sea | 16 °C | 17 °C ★ |
| Rainy days | 10 rainy days (est.) ★ | 13 rainy days (est.) |
| Sun | 7 h/day | 7 h/day |
| Humidity | 81 % | 77 % |
Winner by travel type
Trade-offs
- Helsinki is drier, with about 3 fewer rainy days.
Helsinki or Tallinn in July: the short answer
In July, Helsinki and Tallinn are essentially level on the overall climate score (both around 61/100). The decision comes down to the individual criteria below.
This comparison focuses on July as a representative month for the pair; for any other month, use each destination's month-by-month pages. Across the whole year Helsinki averages a climate score of 33/100, Tallinn 34/100. Both profiles below are historical monthly averages, not a forecast.
Weather in July, side by side
The average daily high is about 19 °C in Helsinki and 20 °C in Tallinn — warmer in Tallinn. Average daily lows are around 15 °C versus 15 °C.
On rain, Helsinki sees about 10 rainy days in July and Tallinn about 13 — drier in Helsinki. Sunshine is comparable (7 vs 7 hours a day).
Sea temperature and swimming
In July the water is about 16 °C at Helsinki and 17 °C at Tallinn — warmer for swimming at Tallinn. Neither Helsinki nor Tallinn reaches the ~21 °C swimming threshold in any month. Peak sea warmth is August for Helsinki and August for Tallinn.
Rain and sun across the year
Over a full year Helsinki records roughly 143 rainy days and Tallinn about 149 — the drier of the two overall is Helsinki. At their sunniest, Helsinki reaches about 7 hours of sun a day (June) and Tallinn about 7 (June). If dependable dry, sunny weather is your top priority, weigh these annual totals alongside the single month above.
Best time to visit each
Climatically, Helsinki is at its best in July, while Tallinn peaks in July. If your dates are fixed, pick the destination whose strong season overlaps them; if you are flexible, plan around these windows.
Which suits which kind of trip
Based on the July scores for each travel style:
Beach & swimming: Tallinn scores higher in July (Helsinki 46 vs Tallinn 48).
City breaks: Helsinki scores higher in July (Helsinki 86 vs Tallinn 83).
Active & hiking: Helsinki scores higher in July (Helsinki 80 vs Tallinn 76).
Family: Tallinn scores higher in July (Helsinki 46 vs Tallinn 48).
Verdict: which should you pick?
There is no single winner — it depends on your month and your priority. For July specifically, use the head-to-head above; over the year, Tallinn carries the slightly higher overall climate score. Choose Helsinki if its strong months and profile match your plan, Tallinn if its do. The month-by-month pages for each destination give you the full picture before you book.